SAN ANTONIO, Texas (CNN) — Last week in an operating room in Texas, a wounded American soldier underwent a history-making procedure that could help him regrow the finger that was lost to a bomb attack in Baghdad, Iraq, last year.

Army Sgt. Shiloh Harris’ doctors applied specially formulated powder to what’s left of the finger in an effort to do for wounded soldiers what salamanders can do naturally: replace missing body parts.Technorati Tags: regenerative medicine, health